Push-fit fastener



FIG. 1 is a perspective view of a push fit fastener showing my new design;

FIG. 2 is a front end elevation view thereof;

FIG. 3 is a left side elevation view thereof, with a right side elevation view being a mirror image thereof;

FIG. 4 is a rear end elevation view thereof; and,

FIG. 5 is a top plan view thereof, with a bottom plan view being a mirror image thereof.

The parts shown in broken lines in FIG. 1 and FIG. 3 form no part of the claimed design. 

CLAIM The ornamental design for a push-fit fastener, as shown and described. 